4223540501 has 4 divisors (see below), whose sum is σ = 4232947500. Its totient is φ = 4214133504.

The previous prime is 4223540449. The next prime is 4223540549. The reversal of 4223540501 is 1050453224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1821070276 + 2402470225 = 42674^2 + 49015^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223540501 - 2¹⁰ = 4223539477 is a prime.

It is a super-3 number, since 3×4223540501³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223540561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4702826 + ... + 4703723.

It is an arithmetic number, because the mean of its divisors is an integer number (1058236875).

Almost surely, 2^4223540501 is an apocalyptic number.

It is an amenable number.

4223540501 is a deficient number, since it is larger than the sum of its proper divisors (9406999).

4223540501 is an equidigital number, since it uses as much as digits as its factorization.

4223540501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9406998.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4223540501 is about 64988.7721148815. The cubic root of 4223540501 is about 1616.4373904115.

Adding to 4223540501 its reverse (1050453224), we get a palindrome (5273993725).

The spelling of 4223540501 in words is "four billion, two hundred twenty-three million, five hundred forty thousand, five hundred one".